Home / 25,379.40-37,996.20-15,537.90

Finding the Fourth Proportional to 25,379.40, 37,996.20 and 15,537.90

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Solution

The fourth proportional to 25,379.40, 37,996.20 and 15,537.90 is: 23,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.40 : 37,996.20 = 15,537.90 : x
  2. Step 2: Convert to fraction form
    25,379.40/37,996.20 = 15,537.90/x
  3. Step 3: Cross multiply
    25,379.40x = 37,996.20 × 15,537.90
  4. Step 4: Simplify right side
    25,379.40x = 590,381,155.98
  5. Step 5: Solve for x
    x = 590,381,155.98/25,379.40
  6. Step 6: Final answer
    x = 23,262.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.